> For the complete documentation index, see [llms.txt](https://near-sdk-js.gitbook.io/near-sdk-js/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://near-sdk-js.gitbook.io/near-sdk-js/utils/type-aliases/promiseindex.md).

# PromiseIndex

[**utils**](/near-sdk-js/utils.md) • **Docs**

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[near-sdk-js v2.0.0](/near-sdk-js/packages.md) / [utils](/near-sdk-js/utils.md) / PromiseIndex

## Type Alias: PromiseIndex

> **PromiseIndex**: `number` | `bigint`

A PromiseIndex which represents the ID of a NEAR Promise.

### Defined in

[packages/near-sdk-js/src/utils.ts:16](https://github.com/near/near-sdk-js/blob/b58ac04fc6dff2f1120e9098c0cb059493486598/packages/near-sdk-js/src/utils.ts#L16)